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What's DOS?
Posts: 2
Registered: ‎06-12-2019
Location: EG
Views: 467
Message 1 of 4

Lenovo z51-70 bios upgrade

after upgrading my bios to (c2cn21ww) from(c2cn18ww) the graphic card stop working the amd r9 one i upgrade the driver and evrything and card just stopped working after upgrades and the fan became much louder even i cleaned it from dust it like ti consuming more power or something idk so if u can hep me by give me link to your old bios (c2cn18ww) so i can download see if problem fixed or not

Sr Support Specialist
Posts: 8,910
Registered: ‎11-30-2015
Location: PH
Views: 458
Message 2 of 4

Re: Lenovo z51-70 bios upgrade

Hi Zrken,


Welcome to the Community Forums.


Perhaps you can change the BIOS name from the original link so that it would be like this:




Moderator note: broken link fixed.

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What's DOS?
Posts: 2
Registered: ‎06-12-2019
Location: EG
Views: 332
Message 3 of 4

Re: Lenovo z51-70 bios upgrade

the link is not working can u send me the link again

Community SeniorMod
Community SeniorMod
Posts: 7,086
Registered: ‎01-13-2008
Location: US
Views: 315
Message 4 of 4

Re: Lenovo z51-70 bios upgrade

I've fixed the link. Please give it another try.



The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc.

The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored - questions and answers belong in the forum so that others may contribute and benefit. ... GeezBlog


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